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EF ECOFLOW

EF ECOFLOW DELTA Pro 3 Portable Power Station 4000W 4096Wh

EF ECOFLOW DELTA Pro 3 Portable Power Station 4000W 4096Wh

Regular price €1.679,40 EUR
Regular price Sale price €1.679,40 EUR
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The EF ECOFLOW DELTA Pro 3 delivers heavy-duty power with a 4000W AC output and a 4096Wh LFP battery capacity, supporting dual 120V/240V voltage to run essential home appliances like central air conditioners and water pumps. Engineered for resilience, the automotive-grade LFP cells and IP65-rated battery pack technology provide durable performance expandable up to 48kWh for multiple days of whole-home backup.

Designed for seamless operation, this solar generator operates at noise levels as low as 30 dB using X-Quiet technology and provides an ultra-fast 10 ms switchover for sensitive electronics. With versatile recharging options including solar panels, wall outlets, EV piles, and smart generators, it delivers clean, plug-and-play energy management that can be monitored remotely via the EcoFlow app.

Key Features

Brand EF ECOFLOW
Model Number EFD521
Capacity 4096Wh
Running Output Wattage 4000W
Starting Wattage 6000W
Output Voltage 120V / 240V
Battery Cell Chemistry Lithium Iron Phosphate (LFP)
Switchover Time 10 ms
Noise Level 30 dB
Item Weight 115 lb
Dimensions 16.2 in x 13.4 in x 27.4 in
Color Black

Highlights

  • Energize Almost Everything. The EcoFlow DELTA Pro 3 supports 120V/240V voltage and has a 4000W output (6000W with X-Boost, scalable up to 12000W), powering nearly all essential home appliances, such as a 3-ton* central AC or a 1 HP water pump.
  • Forget Refueling. Featuring a 4096Wh LFP battery capacity, expandable to 48kWh with extra batteries or smart generators, providing 2-4 days of whole-home backup power. With 7 unique and 18 combo charging methods like AC wall outlets, solar panels, gas generators, EV charging piles, or the EcoFlow smart home panel 2, fuel is not required.
  • Plug and Play. The DELTA Pro 3 is a versatile portable power station that is easy to set up. No installation or maintenance required. Its portable handle design makes this solar generator suitable for clean, renewable energy anywhere, anytime. Power can be controlled and monitored via the EcoFlow app, including remotely.
  • Silent as a Whisper. With X-Quiet technology, this solar generator operates at a hum as low as 30 dB. Its whisper-quiet operation is suitable for both indoor and outdoor use.
  • Uninterrupted Life. With the ultra-fast 10 ms switch-over capability of the EcoFlow DELTA Pro 3, it provides instant backup for NAS systems, servers, and entertainment devices. It safeguards against power disruptions to ensure continuous operation.
  • Secure Design. The EcoFlow DELTA Pro 3 features automotive-grade LFP cells and IP65-rated CTC battery pack technology, safeguarding battery health and extending lifespan. Includes a 5-year manufacturer's warranty.

Compatibility

Compatible with standard 120V and 240V household appliances, solar charging setups, EcoFlow Smart Home Panel 2, and dedicated DELTA Pro 3 expansion batteries.

How to use

Connect essential appliances directly to the AC outlets for immediate power. Recharge using AC wall outlets, solar panels, EV charging piles, or compatible generators, and monitor system metrics remotely using the EcoFlow mobile app.

Frequently asked questions

What is the continuous output wattage and capacity of the DELTA Pro 3?

The DELTA Pro 3 provides a 4000W continuous AC output (scalable up to 6000W with X-Boost) and features a built-in battery capacity of 4096Wh.

Can the capacity of the DELTA Pro 3 be expanded?

Yes, the capacity can be expanded up to 48kWh using compatible extra batteries and smart generators.

How loud is the power station during operation?

Equipped with X-Quiet technology, it operates at sound levels as low as 30 dB for quiet indoor and outdoor use.

How quickly does the DELTA Pro 3 switch to backup power during an outage?

It features an ultra-fast 10 ms switchover time to maintain uninterrupted power for connected appliances and electronics.

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